The document discusses the optimal sizing and design of isolated micro-grid systems, aimed at providing a reliable and cost-effective energy solution using renewable sources while minimizing CO2 emissions. It reviews various optimization techniques, particularly genetic algorithms and particle swarm optimization, to ensure the system can efficiently meet energy demands at El-Shorouk Academy, Egypt. Results demonstrate that the proposed micro-grid configuration is environmentally friendly and economically advantageous, effectively reducing dependency on traditional power grids.